6 places · sun position · panel angle
Solar data for Iceland
Across the 6 places in Iceland the best fixed tilt for solar panels runs from 42° in Reykjanesbær to 47° in Akureyri, and flat ground gets 2.2 to 2.3 peak sun hours a day. Every number is computed for each place.
Solar power in Iceland at a glance
Averages over 6 places with climate data, for a fixed array facing south.
- 2.21–2.23
- 2.23–2.24
- 2.24–2.26
- 2.26–2.27
- 2.27–2.29
Peak sun hours a day on flat ground. Each dot is one place.
The sunniest place in Iceland is Akureyri (Northeast) with 2.29 peak sun hours a day on flat ground; the least sunny are Keflavík and one other place with 2.21. A 1 kWp array at its best angle makes from 833 kWh a year in Reykjanesbær to 900 kWh in Akureyri — 854 kWh on average.
The best year-round tilt runs from 42° in Reykjanesbær to 47° in Akureyri. Off-grid systems are sized for the darkest month and do better steeper, at 31° on average: at 70° that month brings 0.01 kWh per kWp a day in Akureyri and 0.04 kWh in Hafnarfjörður.
Size an off-grid system or open any place below for its sun path, monthly table and tilt curve.
Sunniest places in Iceland
Ranked by peak sun hours on flat ground: the yearly average of a day's sunshine energy (NASA POWER climatology). Output: 1 kWp at its best year-round angle.
| Rank | Place | Region | Sun hours/day | kWh per kWp a year | Best tilt |
|---|---|---|---|---|---|
| 1 | Akureyri | Northeast | 2.29 | 900 | 47° |
| 2 | Reykjavík | Capital Region | 2.23 | 854 | 43° |
| 2 | Kópavogur | Capital Region | 2.23 | 854 | 43° |
| 2 | Hafnarfjörður | Capital Region | 2.23 | 852 | 43° |
| 5 | Reykjanesbær | Southern Peninsula | 2.21 | 833 | 42° |
| 5 | Keflavík | Southern Peninsula | 2.21 | 833 | 42° |
Solar by region in Iceland
Averages of the places in each region, sunniest first. Darkest month: what 1 kWp of off-grid panels at 70° makes a day in the worst month of the year.
| Region | Places | Sun hours/day | kWh per kWp a year | Best tilt | Darkest month at 70° | Sunniest place |
|---|---|---|---|---|---|---|
| Northeast | 1 | 2.29 | 900 | 47° | 0.01 kWh | Akureyri |
| Capital Region | 3 | 2.23 | 853 | 43° | 0.04 kWh | Reykjavík |
| Southern Peninsula | 2 | 2.21 | 833 | 42° | 0.02 kWh | Reykjanesbær |
Largest places in Iceland at a glance
| Place | Latitude | Best tilt | Off-grid tilt | Sun hours/day (flat) |
|---|---|---|---|---|
| Reykjavík | 64.1° N | 43° | 54° | 2.23 |
| Kópavogur | 64.1° N | 43° | 54° | 2.23 |
| Hafnarfjörður | 64.1° N | 43° | 56° | 2.23 |
| Reykjanesbær | 64.0° N | 42° | 4° | 2.21 |
| Akureyri | 65.7° N | 47° | 16° | 2.29 |
| Keflavík | 64.0° N | 42° | 4° | 2.21 |
Daylight and clock time in Iceland
In Akureyri (65.7° N), the northernmost place, the longest day of the year lasts 23 h 30 min and the shortest 3 h 03 min; in Reykjanesbær (64.0° N), the southernmost, 21 h 01 min and 4 h 12 min. Iceland does not use daylight saving time: the clocks stay the same all year.
| Time zone | Places | UTC offset | Clocks change in 2026 |
|---|---|---|---|
| Atlantic/Reykjavik | 6 | UTC | no daylight saving time |